HTML rules

Follow each rule for purpose, severity, scope, configuration, and Bad/Good examples. The complete catalogue keeps all examples and current support boundaries on one page.

Configure lint.vize.rules and run vp run lint with the Vite+ helper. Check each page for type-aware, filename, or additional-configuration prerequisites.

Rule	Examples	Purpose
`html/deprecated-attr`	Bad · Good	Disallow deprecated HTML attributes
`html/deprecated-element`	Bad · Good	Disallow deprecated HTML elements
`html/id-duplication`	Bad · Good	Disallow duplicate element IDs
`html/no-consecutive-br`	Bad · Good	Disallow consecutive <br> elements
`html/no-dupe-style-properties`	Bad · Good	Disallow duplicate properties in inline style attributes
`html/no-duplicate-class`	Bad · Good	Disallow duplicate class names in a static class attribute
`html/no-duplicate-dt`	Bad · Good	Disallow duplicate <dt> names in <dl>
`html/no-empty-palpable-content`	Bad · Good	Disallow empty elements that expect visible content
`html/require-datetime`	Bad · Good	Require datetime attribute on <time> element

All rules · Rule Options · ESLint migration map · Project checks

For nesting after components are composed, see html/cross-component-nesting.